Ques 41. The danger signals are red while the eye is more sensitive to yellow because

1. absorption in red is less than yellow and hence red is more visible from a distance
2. scattering in yellow light is less than red
3. the wavelength of red light is more than yellow light
4. none of the above reasons

Answer - absorption in red is less than yellow and hence red is more visible from a distance

Ques 42. One of the following Chief Ministers received the Highest Civilian Award "Bharat Ratna"